package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo3 {
	public static void main(String[] args) throws Exception{
		Class.forName("com.mysql.cj.jdbc.Driver");
		Connection connection = DriverManager.getConnection(
				"jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
				"root",
				"root");
		System.out.println("连接成功");
		Statement statement = connection.createStatement();
		
		String sql = "update user "+
				"set password='666666',age=18,nickname='张三丰' " +
				"where username='张三'";
		System.out.println(sql);
		int num = statement.executeUpdate(sql);
		System.out.println(num > 0 ? "更新成功！" : "更新失败");
		connection.close();
	}
}
